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Individual Calculations February 2023 |
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| Yu, Zachary Total change: 92.40 | |   |
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| 2023 New Zealand Championship | Wellington | NZL | 2023-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1917 | 1719 | 3.50 | 8 | 1.44 | 40 | 57.60 | |
|  Archer, Ollie | | | 1959 | NZL | 0.00 | 1 | -0.20 | 40 | -8.00 | |  Vanheirzeele, Daniel | | | 2056 | BEL | 0.50 | 1 | 0.38 | 40 | 15.20 | | | Young, Cohen | | | 1835 | NZL | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Ning, Isabelle Yixuan | | wc | 1948 | NZL | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Cummings, Nick | | | 1995 | NZL | 1.00 | 1 | 0.83 | 40 | 33.20 | | | McDougall, Euan | | | 1770 | NZL | 1.00 | 1 | 0.57 | 40 | 22.80 | | | Winter, Ryan | | | 2015 | NZL | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Liu, William Rui | | | 1760 | NZL | 0.50 | 1 | 0.06 | 40 | 2.40 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 2023 Oceania Zonal 3.6 Open | Melbourne | AUS | 2023-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1857 | 1719 | 3.50 | 8 | 0.87 | 40 | 34.80 | |
| | Yang, Ray | f | | 2037 | AUS | 1.00 | 1 | 0.87 | 40 | 34.80 | | | Papantoniou, John | | | 2067 | AUS | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Dowden, Tony | c | | 1981 | NZL | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Vuong, Vinh | | | 1319 * | AUS | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Prudente, Elmer | c | | 1988 | GUM | 1.00 | 1 | 0.83 | 40 | 33.20 | | | Anderson, Brendan | | | 1926 | AUS | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Fancy, Stuart | f | | 1981 | PNG | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Krishnan, Anirudh | | | 1560 | AUS | 0.50 | 1 | -0.21 | 40 | -8.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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